android/app/src/main/res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <style name="AppTheme" parent="Theme.AppCompat">
        <item name="android:colorPrimary">@color/primary</item>
        <item name="android:colorPrimaryDark">@color/primaryDark</item>
        <item name="android:textColorPrimary">@color/textPrimary</item>
        <item name="android:textColor">#000000</item>
        <item name="android:windowBackground">@color/windowBackground</item>
        <item name="android:colorButtonNormal">@color/buttonNormal</item>
        <item name="android:colorAccent">@color/accent</item>
        <item name="android:itemTextAppearance">@style/PopupMenuTextStyle</item>
        <item name="android:itemBackground">@color/itemBackground</item>

        <item name="colorPrimary">@color/primary</item>
        <item name="colorPrimaryDark">@color/primaryDark</item>
        <item name="colorButtonNormal">@color/buttonNormal</item>
        <item name="colorAccent">@color/accent</item>
    </style>

    <style name="PopupMenuTextStyle" parent="Theme.AppCompat.Light">
        <item name="android:textColor">@color/textPrimary</item>
    </style>

</resources>